Are you free this weekend?
Are you doing anything this afternoon?
（Do you have plans for this afternoon?/
Are you busy this afternoon?）
How about having dinner with me?
Let's have dinner together.
Let's go out for a drink.
No, nothing special.
Thanks for asking, but I already made plans.
Sorry I'm tied up.
（Sorry I have plans./
Sorry I'm busy./
I'm sorry, but I have other plans. ）
How about a rain check?
Let's do it another time.
Could we plan it for another day?
Some other time.
I would love to. And when?
I would love to, but I have plans tonight.
Let's fix a time for meeting.
Shall I come to pick you up?
A: Hello, Tom. Do you have plans for this evening?
B: Nothing special.
A: How about having dinner with me?
B: That's great. I would love to. And when?
A: Let's fix it at seven o'clock.
B: Okay, no problem. However, maybe I should come early to help you prepare the dinner.
A: Don't worry. I will arrange everything.
B: Alright. See you tonight.
A: See you.